.header-nav{display:flex;align-items:center;gap:16px;font-size:13px}.home-badge{font-size:11px;color:var(--muted)}.home-main{max-width:960px}.home-intro{padding:64px 0 36px}.home-intro h1{font-family:serif;font-size:clamp(32px,5vw,48px);line-height:1.5;letter-spacing:.07em}.home-intro>p:last-child{font-size:14px;line-height:2;color:var(--muted)}.home-card{border:1px solid var(--line);border-radius:16px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px;transition:transform .15s}.home-card:hover{transform:translateY(-3px)}.calculator-link{background:linear-gradient(125deg,#236954,#174c40);color:#fff9e8;box-shadow:0 12px 28px #183d3010}.calculator-link .section-kicker{color:#c3d8c4}.home-card h2{font-size:24px;line-height:1.6;margin:12px 0}.home-card h2 span{margin-left:14px}.home-card p{font-size:13px;line-height:1.9;margin:0;opacity:.85}.home-tags{display:flex;gap:8px;margin-top:23px;flex-wrap:wrap}.home-tags span{border:1px solid #ffffff35;border-radius:20px;padding:6px 12px;font-size:11px}.home-tiles{display:flex;gap:6px;transform:rotate(9deg);padding:10px}.home-tiles img{width:48px;filter:drop-shadow(0 6px 3px #15342950)}.practice-link{background:var(--paper)}.practice-link h2{font-size:20px}.practice-symbol{font-family:serif;font-size:56px;color:#bac6b1}.home-footnote{text-align:center;color:var(--muted);font-size:11px;line-height:2;margin:30px 0}.calc-main{max-width:1100px;padding-bottom:calc(195px + env(safe-area-inset-bottom))}.calc-main .intro{align-items:start}.secondary-button{border:1px solid #cbd5c6;border-radius:8px;background:var(--paper);color:var(--green);min-height:44px;padding:9px 13px;font-size:12px}.reference-links{display:flex;gap:12px;margin-bottom:20px}.reference-links button{flex:1;min-height:48px;background:#e8eee2;border:1px solid #dbe3d2;border-radius:9px;color:var(--green);font-size:13px;text-align:left;padding:12px 16px;display:flex;justify-content:space-between}.calc-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:18px}.calc-card h2{font-size:16px;margin:0 0 19px}.calc-card h3{font-size:13px;margin:0 0 10px}.calc-card h3 small{font-weight:400;color:var(--muted);margin-left:7px;font-size:11px}.settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.setting-label{display:block;font-size:12px;margin:0 0 9px}.segmented{display:flex;background:#f0f2eb;border-radius:8px;padding:4px;gap:4px}.segmented button{flex:1;border:0;background:transparent;color:#526b5c;min-height:44px;border-radius:6px;font-size:13px;padding:8px}.segmented button[aria-pressed=true]{background:var(--green);color:white;box-shadow:0 2px 4px #17362620}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.section-heading h2,.section-heading h3{margin:0}.section-heading>span,.small-copy{font-size:11px;line-height:1.85;color:#697b6e}.small-copy{margin:10px 0}.selected-yaku{display:flex;gap:6px;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;height:32px;margin:0 0 6px;align-items:flex-start;scrollbar-width:none}.selected-yaku::-webkit-scrollbar{display:none}.selected-yaku:focus-visible{outline:2px solid #dfbb72;outline-offset:2px}.selected-yaku span{flex:none;white-space:nowrap;background:#edf2e5;border-radius:5px;font-size:11px;line-height:18px;padding:5px 8px;color:var(--green)}.yaku-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:start}.yaku-group{min-width:0}.yaku-group h3{border-bottom:2px solid #c8d5ba;padding:10px 0;margin-bottom:10px;color:var(--green)}.yaku-group .yaku-buttons{display:grid;gap:8px}.yaku-button{min-height:48px;border:1px solid #dfe4d8;background:#fffefa;border-radius:7px;color:var(--ink);text-align:left;padding:10px 12px;font-size:13px;line-height:1.5;display:flex;justify-content:space-between;gap:4px;align-items:center}.yaku-button[aria-pressed=true]{background:#e5eedc;border-color:#50845b;box-shadow:inset 3px 0 #35704a;color:#245537;font-weight:600}.yaku-button small{font-size:9px;font-weight:400}.yaku-button:disabled{opacity:.5}.yakuman-group{grid-column:1/-1}.yakuman-group summary{cursor:pointer;font-size:13px;min-height:44px;padding:12px 0;color:var(--green)}.yakuman-group .yaku-buttons{grid-template-columns:repeat(4,1fr)}.extras-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.stepper{display:flex;align-items:center;gap:6px}.stepper button{width:44px;height:44px;border:1px solid #d4ddce;border-radius:7px;background:#f0f4e9;color:var(--green);font-size:20px}.stepper button:disabled{opacity:.35}.stepper input{width:58px;height:44px;text-align:center;font-size:18px;background:transparent;border:1px solid #d4ddce;border-radius:7px;color:var(--ink);appearance:textfield}.stepper input::-webkit-inner-spin-button{appearance:none}.fu-block{border-top:1px solid var(--line);margin-top:23px;padding-top:20px}.fu-options{display:flex;gap:8px;flex-wrap:wrap}.fu-options button{min-width:60px;min-height:44px;border-radius:7px;background:transparent;border:1px solid #d6dece;color:var(--ink)}.fu-options button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.rule-link a{text-decoration:underline}.payment-bar{position:fixed;bottom:0;left:0;right:0;padding:17px 25px calc(17px + env(safe-area-inset-bottom));background:#174f42;color:#fff9e4;box-shadow:0 -4px 20px #163a3020;z-index:5}.payment-inner{max-width:972px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:15px}.payment-summary{flex:1;min-width:0}.payment-inner p{font-size:11px;color:#cbdbcb;margin:0 0 7px}.payment-inner small{font-size:10px;color:#cbdbcb}#payment{font-size:27px;font-weight:600;line-height:1.45;font-variant-numeric:tabular-nums}#payment .payment-label{font-size:13px;margin-right:6px;font-weight:400}#payment .payment-item{white-space:nowrap;display:inline-block;margin-right:16px}.close-button{min-width:44px;min-height:44px;border:0;border-radius:8px;background:#edf1e7;color:var(--green)}dialog{overscroll-behavior:contain}dialog .dialog-head{position:sticky;top:-27px;background:var(--paper);padding:10px 0;z-index:1}dialog fieldset{border:1px solid var(--line);border-radius:8px;margin:18px 0;padding:12px}dialog legend{font-size:13px}dialog fieldset label{display:flex;gap:8px;align-items:center;min-height:44px;font-size:12px}dialog input[type=radio]{accent-color:var(--green);width:18px;height:18px}.meld-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px}.meld-row small{color:var(--muted)}#helper-result{font-size:16px;color:var(--green);font-weight:600}#apply-fu{width:100%;font-size:14px}.reference-dialog{max-width:710px}.reference-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:15px 0}.reference-tabs button{min-height:44px;border:1px solid var(--line);border-radius:7px;background:#eef1e7;color:var(--green);padding:8px 13px}.reference-tabs button[aria-pressed=true]{background:var(--green);color:white}.table-scroll{overflow:auto}.reference-table{border-collapse:collapse;width:100%;font-size:12px;margin:12px 0}.reference-table th,.reference-table td{border-bottom:1px solid var(--line);padding:12px 9px;text-align:right;white-space:nowrap}.reference-table th{background:#edf2e5;font-weight:500}.reference-table th:first-child,.reference-table td:first-child{text-align:left}select{font:inherit;min-height:44px;padding:8px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink)}select:focus-visible{outline:3px solid #cf9d45}body:has(dialog[open]){overflow:hidden}
@media(max-width:720px){.home-intro{padding:38px 0 22px}.home-card{padding:25px}.home-card h2{font-size:21px}.home-tiles{display:none}.home-card p{font-size:12px}.practice-link h2{font-size:18px}.practice-symbol{font-size:40px}.calc-card{padding:18px}.calc-main .intro{gap:10px}.calc-main .intro h1{font-size:22px}.calc-main .intro .secondary-button{font-size:10px;padding:8px;max-width:83px}.settings-grid{gap:10px}.segmented{padding:3px;gap:2px}.segmented button{font-size:12px;padding:6px}.yaku-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.yaku-button{font-size:13px}.yakuman-group .yaku-buttons{grid-template-columns:repeat(2,1fr)}.extras-grid{gap:15px}.calc-card h3 small{display:block;margin:5px 0 0}.payment-bar{padding:13px 18px calc(13px + env(safe-area-inset-bottom))}.payment-inner{display:block}.payment-inner small{display:block;margin-top:4px}#payment{font-size:24px}.payment-inner p{margin-bottom:4px}.reference-table{font-size:11px}.reference-table th,.reference-table td{padding:10px 7px}.home-badge{font-size:10px}.section-heading>span{font-size:10px}dialog{padding:20px}dialog .dialog-head{top:-20px}.header-nav{font-size:12px}}
@media(max-width:370px){.settings-grid{grid-template-columns:1fr}.setting{display:flex;align-items:center;justify-content:space-between;gap:15px}.setting-label{margin:0}.segmented{width:70%}.extras-grid{gap:8px}.calc-card{padding:14px}.stepper{gap:4px}.stepper input{width:44px}#payment{font-size:21px}.home-card h2{font-size:18px}.practice-symbol{display:none}}

.yakuman-group .yaku-buttons{display:grid;gap:8px}.payment-actions{display:flex;flex-direction:column;align-items:flex-end;gap:7px}.payment-jump{font-size:12px;color:#fff9e4;text-decoration:underline;text-underline-offset:4px;padding:8px 0;min-height:36px}#extras{scroll-margin-top:18px}
@media(max-width:720px){.settings-grid{grid-template-columns:.85fr .85fr 1.3fr}.segmented button{padding:6px 3px}.payment-actions{flex-direction:row;justify-content:space-between;align-items:center;gap:10px}.payment-actions small{font-size:9px;max-width:65%;text-align:right}.payment-jump{font-size:11px;white-space:nowrap}.calc-main{padding-bottom:calc(210px + env(safe-area-inset-bottom))}}
@media(max-width:370px){.settings-grid{grid-template-columns:1fr}}

.offline-tools{margin:25px 0 12px;padding:18px 0;border-top:1px solid var(--line);font-size:12px;color:#576c5d;line-height:1.8}.offline-status{margin:0 0 8px}.offline-actions{display:flex;gap:10px;flex-wrap:wrap}.offline-actions:has(button:not([hidden])){margin-bottom:12px}.offline-tools [hidden]{display:none!important}

.offline-tools[hidden]{display:none!important}

.yaku-main{max-width:1100px}.view-switch{max-width:340px;margin-bottom:8px}.guide-group{margin-top:22px}.guide-group h2{font-size:13px;border-bottom:2px solid #c8d5ba;padding:10px 0;margin:0 0 10px;color:var(--green)}.guide-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.guide-button{flex-direction:column;align-items:flex-start;justify-content:center;gap:2px}.guide-button small{font-size:10px;color:var(--muted)}.header-nav{white-space:nowrap}.yaku-dialog{max-width:600px}.yaku-reading{font-size:11px;color:var(--muted);letter-spacing:.08em;margin:0 0 2px}.yaku-han{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0 16px}.yaku-han span{background:#edf2e5;border-radius:5px;font-size:12px;padding:5px 9px;color:var(--green)}.yaku-felt{margin:0;padding:40px 18px 18px}.yaku-felt .melds{margin-top:16px}dialog .yaku-text{font-size:13px;line-height:1.95;margin:18px 0 0}.yaku-dialog h3{font-size:13px;margin:22px 0 10px}.yaku-chips{display:flex;gap:6px;flex-wrap:wrap}.yaku-chips button{min-height:44px;border:1px solid var(--line);border-radius:22px;background:#eef1e7;color:var(--green);font-size:12px;padding:6px 14px}
@media(max-width:720px){.guide-buttons{grid-template-columns:repeat(2,minmax(0,1fr))}.yaku-felt{padding:38px 12px 16px}.header-nav{gap:10px;font-size:11px}.header-nav .quiet-button{font-size:11px;padding:8px 4px}}
@media(max-width:370px){.header-nav{gap:7px;font-size:10px}.header-nav .quiet-button{font-size:10px}.header-nav .quiet-button span{display:none}}

.extras-grid>div{min-width:0}.stepper button{flex:none}.stepper input{flex:0 1 58px;min-width:0}
@media(max-width:370px){.stepper input{flex-basis:44px;font-size:16px;padding:0}}

.yaku-item{display:flex;min-width:0}.yaku-item .yaku-button{flex:1;min-width:0;border-radius:7px 0 0 7px}.yaku-help{flex:none;width:44px;min-height:48px;border:1px solid #dfe4d8;border-left:0;border-radius:0 7px 7px 0;background:#f3f6ee;color:var(--green);font-size:13px;padding:0}.yaku-help:hover{background:#e8eee2}
@media(max-width:720px){.yaku-item .yaku-button{padding:10px 8px 10px 10px}.yaku-help{width:40px}}

/* 全ページ共通のヘッダー: メニューとアカウント */
.site-nav{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:13px;white-space:nowrap}.site-nav a{padding:9px 0;border-bottom:2px solid transparent;color:#4c6156}.site-nav a:hover{color:var(--green)}.site-nav a[aria-current=page]{color:var(--green);font-weight:650;border-bottom-color:var(--green)}.nav-divider{width:1px;height:16px;background:#cfd6c8;flex:none}
.account-menu{position:relative;margin-left:26px;font-size:13px;flex:none}.account-menu summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;min-height:40px;max-width:11em;padding:0 14px;border:1px solid var(--line);border-radius:20px;background:var(--paper);color:var(--ink)}.account-menu summary::-webkit-details-marker{display:none}.account-menu summary span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-menu summary::after{content:"";flex:none;border:4px solid transparent;border-top-color:var(--muted);margin-top:4px}.account-menu[open] summary{border-color:#b9c7b2}
.account-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:30;min-width:184px;display:flex;flex-direction:column;padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 28px #183d3024}.account-panel a,.account-panel button{display:flex;align-items:center;min-height:44px;padding:0 12px;border:0;border-radius:6px;background:transparent;color:var(--ink);font-size:13px;text-align:left}.account-panel a:hover,.account-panel button:hover{background:#eef1e7}.account-panel button{color:#a8443a;border-top:1px solid var(--line);border-radius:0 0 6px 6px;margin-top:4px}.account-panel button:only-child{border-top:0;margin-top:0;border-radius:6px}
@media(max-width:900px){.site-header{height:auto;min-height:0;flex-wrap:wrap;gap:0;padding-top:14px;padding-bottom:0}.site-nav{order:3;flex-basis:100%;margin:10px 0 -1px;gap:18px;overflow-x:auto;scrollbar-width:none;overscroll-behavior-x:contain}.site-nav::-webkit-scrollbar{display:none}.site-nav a{padding:10px 0 11px;flex:none}.account-menu{margin-left:auto}}
@media(max-width:720px){.site-nav{gap:16px}.account-menu summary{min-height:36px;padding:0 12px;font-size:12px;max-width:9em}}

/* トップ: 「記録」と「道具」の2グループ */
.home-intro h1{margin-bottom:6px}.home-group{margin-bottom:34px}.home-group-head{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:16px}.home-group-head h2{font-size:13px;letter-spacing:.2em;color:var(--green);margin:0;font-weight:650}.home-action{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:20px;background:var(--green);color:#fffdf4;font-size:12px;font-weight:600}.home-action:hover{background:#0e493b}
.home-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.home-tile{position:relative;display:block;min-height:188px;padding:24px 24px 26px;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .15s,border-color .15s}.home-tile:hover{transform:translateY(-3px);border-color:#c8d5ba}.home-tile h3{font-size:19px;line-height:1.5;margin:10px 0 8px}.home-tile h3 span{margin-left:8px;color:var(--green)}.home-tile p{font-size:12px;line-height:1.85;color:#617264;margin:0;max-width:17em}.home-symbol{position:absolute;right:18px;bottom:8px;font-family:serif;font-size:60px;line-height:1.2;color:#cdd6c5}.home-symbol-tiles{display:flex;gap:4px;bottom:18px;transform:rotate(6deg)}.home-symbol-tiles img{width:30px;filter:drop-shadow(0 4px 2px #15342930)}
@media(max-width:720px){.home-group{margin-bottom:26px}.home-grid{grid-template-columns:1fr;gap:10px}.home-tile{min-height:0;padding:16px 84px 17px 18px}.home-tile h3{font-size:17px;margin:6px 0 4px}.home-tile p{max-width:none}.home-symbol{right:16px;bottom:auto;top:50%;transform:translateY(-50%);font-size:44px}.home-symbol-tiles{transform:translateY(-50%) rotate(6deg);gap:2px}.home-symbol-tiles img{width:19px}}
.reference-links.three button{min-width:0}
@media(max-width:720px){.reference-links.three{gap:8px}.reference-links.three button{padding:12px 10px;font-size:12px}}
.home-tile.calculator-link{background:var(--paper);color:inherit;box-shadow:none}.home-tile.calculator-link .section-kicker{color:var(--muted)}
@media(max-width:480px){.site-nav{gap:0;justify-content:space-between;font-size:12px}.site-nav .nav-divider{height:14px}}