:root{--bg: #0d6b35;--bg-warm: #15894a;--bg-mid: #0f7a3d;--bg-deep: #074a23;--bg-darkest: #052f17;--brass: #c89b54;--brass-hi: #f0cb70;--brass-mid: #d4a248;--brass-deep: #8a5e18;--brass-dark: #432d06;--felt: #0a4a23;--felt-deep: #062f15;--felt-hi: #1d7843;--lacquer: #1a0a04;--lacquer-mid: #2b1308;--lacquer-warm: #3a1a0c;--ink: #2a1d10;--ink-dim: #6b4538;--ink-soft: #8a6655;--ink-light: #f5e0b8;--red: #b22a22;--red-hi: #d04438;--red-deep: #7a1a14;--gold: #b07c20;--gold-hi: #e7b652;--gold-deep: #6a4708;--line: rgba(120, 70, 28, .28);--line-soft: rgba(60, 36, 20, .1);--panel: #fff5e6;--panel-deep: #f4dcc0;--panel-border: #c89b6c;--cream: #fbf2e6;--serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;--sans: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;--mono: "SF Mono", "Menlo", ui-monospace, monospace;--tile-h: clamp(46px, 7.6dvh, 78px);--tile-w: calc(var(--tile-h) / 1.36);--opp-h: clamp( 24px, min(calc(var(--tile-h) * .66), calc((100dvh - 336px)/16) ), 50px 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strong{color:var(--brass-deep);font-weight:700}.ranking li.is-self{margin:0 -10px;padding:7px 10px 0;border-radius:0 0 6px 6px;background:#e3b94e2e;font-weight:700}.result-hand{display:grid;gap:10px;margin:-6px 0 18px;justify-items:center}.result-hand-tiles{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:3px}.result-hand-melds{display:inline-flex;gap:5px;margin-left:5px;padding-left:7px;border-left:1px dashed var(--line)}.result-meld{display:inline-flex;gap:2px}.result-tile{width:24px;height:33px;border-radius:3px}.result-tile.is-winning{outline:2px solid var(--red);outline-offset:1px;transform:translateY(-3px)}.result-indicators{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:5px 14px}.result-indicator{display:inline-flex;align-items:center;gap:6px}.result-indicator-label{color:var(--brass-deep);font-family:var(--serif);font-size:12px;letter-spacing:.04em}.result-indicator-tiles{display:inline-flex;gap:3px}.result-tile-dora{width:22px;height:30px}.settings-panel{text-align:left}.settings-title,.confirm-title{margin:0;color:var(--ink);font-family:var(--serif);font-size:24px;letter-spacing:.06em}.settings-rows{display:grid;gap:14px;margin:18px 0 10px}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.settings-label{color:var(--ink);font-family:var(--serif);font-size:15px;font-weight:700;letter-spacing:.06em}.seg{display:inline-flex;gap:3px;border:1px solid var(--panel-border);border-radius:8px;padding:3px;background:#78461c14}.seg-option{min-width:64px;border:0;border-radius:6px;padding:7px 14px;background:transparent;color:var(--ink-dim);cursor:pointer;font-family:var(--serif);font-size:13px;font-weight:700;letter-spacing:.04em;transition:background .12s ease,color .12s ease,box-shadow .12s ease}.seg-option:hover{color:var(--ink)}.seg-option.is-selected{background:linear-gradient(180deg,#f5d273,#d09728 60%,#a8761a);color:#2b1d05;box-shadow:inset 0 1px #fff8dcb3,0 2px 6px #462c064d}.settings-note{margin:6px 0 0;color:var(--ink-soft);font-size:12px;letter-spacing:.04em}.settings-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.info{position:relative;z-index:1;-webkit-user-select:text;user-select:text;color:var(--ink-light);background:radial-gradient(ellipse 80% 70% at 50% 0%,#50260e80,#50260e00 70%),linear-gradient(180deg,var(--lacquer-mid) 0%,var(--lacquer) 100%)}.info:before{display:block;height:3px;background:linear-gradient(90deg,var(--brass-deep) 0%,var(--brass-hi) 50%,var(--brass-deep) 100%);content:""}.info-inner{display:grid;max-width:920px;gap:clamp(26px,5vw,44px);margin:0 auto;padding:clamp(32px,6vw,60px) 22px max(40px,calc(env(safe-area-inset-bottom) + 28px))}.info-title{margin:0 0 14px;color:var(--brass-hi);font-family:var(--serif);font-size:clamp(20px,3.4vw,26px);font-weight:700;letter-spacing:.06em;text-shadow:0 1px 2px rgba(0,0,0,.55)}.info-h2{margin:28px 0 10px;color:var(--brass-hi);font-family:var(--serif);font-size:clamp(15px,2.4vw,18px);font-weight:700;letter-spacing:.05em}.info-lead,.info-text{max-width:62ch;margin:0;font-size:clamp(13px,2.1vw,14.5px);line-height:1.85;letter-spacing:.02em}.info-lead{color:var(--ink-light)}.info-text{color:#f5e0b8d1}.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0 0;padding:0;list-style:none}.game-card{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"name go" "desc go";align-items:center;column-gap:12px;row-gap:3px;height:100%;padding:14px 16px;border:1px solid var(--brass);border-radius:10px;background:linear-gradient(180deg,#5a341480,#28160899);text-decoration:none;transition:transform .14s ease,border-color .14s ease,box-shadow .14s ease,background .14s ease}.game-card:hover{border-color:var(--brass-hi);background:linear-gradient(180deg,#824e1cad,#462810b8);box-shadow:0 8px 22px -10px #000000b3,0 0 16px #f5dc964d;transform:translateY(-2px)}.game-card:focus-visible{outline:2px solid var(--brass-hi);outline-offset:2px}.game-name{grid-area:name;color:#fff5d2;font-family:var(--serif);font-size:15px;font-weight:700;letter-spacing:.08em}.game-desc{grid-area:desc;color:#f5e0b8b8;font-size:12px;line-height:1.5}.game-go{grid-area:go;align-self:center;color:var(--brass);font-size:20px;font-weight:700;transition:transform .14s ease}.game-card:hover .game-go{color:var(--brass-hi);transform:translate(3px)}@media(max-width:900px){:root{--tile-h: clamp(26px, calc((100vw - 38px) / 10.5), 60px);--opp-h: clamp(24px, calc(var(--tile-h) * .5), 32px);--felt-size: min( calc(100vw - 20px) , calc(100dvh - 310px) , 420px);--river-h: min(calc(var(--tile-h) * .78), calc(var(--felt-size) * .072));--ring-hand: 2px;--ring-hand-top: 2px;--ring-river: 20px;--ring-river-top: calc(var(--ring-hand-top) + var(--opp-h) + 8px);--ring-river-side: 14px;--meld-h: calc(var(--river-h) * .75)}.topbar{gap:8px;padding:max(8px,env(safe-area-inset-top)) 10px 8px}.brand-title{font-size:17px;letter-spacing:.08em}.topbar-button{min-width:50px;padding:5px 10px;font-size:11px}.topbar-actions{gap:6px}.difficulty-trigger{gap:5px;padding:5px 10px;font-size:11px}.difficulty-popover{position:fixed;top:calc(env(safe-area-inset-top,0px) + 56px);right:10px;left:auto;width:min(290px,calc(100vw - 20px))}.topbar-icon{width:32px;height:32px}.topbar-icon:before{width:17px;height:17px}.settings-title,.confirm-title{font-size:21px}.settings-label{font-size:14px}.seg-option{min-width:54px;padding:7px 10px;font-size:12px}.board-area{padding:12px 10px 8px}.felt{--size: var(--felt-size);min-width:0;min-height:0;border-radius:0;box-shadow:none}.opp-right{right:var(--ring-hand)}.opp-left{left:var(--ring-hand)}.melds-right{top:4px;right:-6px}.melds-top{top:4px;left:25px}.melds-left{bottom:28px;left:calc(20px - var(--meld-box))}.melds-self{--meld-h: var(--river-h);right:6px;bottom:-12px}.plate-pos,.self-meta .plate{display:none}.center-stone{width:max(104px,34.6%);height:max(104px,34.6%);min-width:0;gap:3px;padding:12px 14px;border-radius:12px}.center-round-wind,.center-round-hand{font-size:15px}.center-round-kanji{font-size:11px}.center-sub{gap:5px;font-size:8.5px;letter-spacing:.12em;white-space:nowrap}.center-sub-num{font-size:11px}.center-sub-label{font-size:8.5px}.center-rule,.center-dora-label{display:none}.center-bottom{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:5px;margin-top:1px}.center-dora-row{gap:4px}.center-dora{width:calc(var(--tile-h) * .45);height:calc(var(--tile-h) * .61)}.center-foot{margin:0;padding:0;background:transparent;font-size:8.5px}.center-foot-value{font-size:11px}.center-score{position:absolute;display:flex;align-items:center;gap:4px;line-height:1;white-space:nowrap;pointer-events:none}.center-score-self{bottom:12px;left:50%;transform:translate(-50%,50%)}.center-score-top{top:12px;left:50%;transform:translate(-50%,-50%) rotate(180deg)}.center-score-right{top:50%;right:12px;transform:translate(50%,-50%) rotate(-90deg)}.center-score-left{top:50%;left:12px;transform:translate(-50%,-50%) rotate(90deg)}.center-score-wind{color:#f0cb70cc;font-family:var(--serif);font-size:9px;font-weight:700}.center-score-value{color:#fdf3d8;font-family:var(--mono);font-size:11px;font-weight:700}.center-score-self .center-score-wind{color:var(--brass-hi)}.center-score-self .center-score-value{color:#fff2c8}.center-score .center-score-wind.is-dealer{color:var(--red-hi)}.center-score-stick{position:relative;display:inline-block;width:16px;height:3.5px;border-radius:2px;background:#fdf8ec}.center-score-stick:before{content:"";position:absolute;top:.55px;left:6.2px;width:2.4px;height:2.4px;border-radius:50%;background:#b9302a}.center-edge{position:absolute;display:block;border-radius:2px;pointer-events:none}.center-edge-self,.center-edge-top{right:14px;left:14px;height:2px;background:linear-gradient(90deg,transparent,var(--edge-color),transparent)}.center-edge-self{bottom:-1px}.center-edge-top{top:-1px}.center-edge-right,.center-edge-left{top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,transparent,var(--edge-color),transparent)}.center-edge-right{right:-1px}.center-edge-left{left:-1px}.center-edge.is-riichi{--edge-color: var(--red-hi);box-shadow:0 0 8px #d04438b3}.center-edge.is-turn{--edge-color: var(--gold-hi);box-shadow:0 0 8px #e7b652cc}.self-area{gap:8px;padding:10px 2px max(12px,env(safe-area-inset-bottom))}.hand{gap:2px}.hand-tile.is-drawn{margin-left:calc(var(--tile-w) * .18)}.self-meta{gap:8px}.status-pill{max-width:60vw;padding:5px 10px;font-size:11px}.btn{min-width:58px;padding:8px 12px;font-size:12px}.btn-chi{min-width:0;padding:5px 9px;gap:3px}.btn-chi-label{font-size:10px}.mj-tile-mini{--mini-h: calc(var(--tile-h) * .7)}.actions{min-height:34px;gap:6px}.info-inner{gap:24px;padding:28px 16px max(28px,calc(env(safe-area-inset-bottom) + 20px))}.info-h2{margin-top:22px}}@media(max-width:560px){.game-grid{grid-template-columns:1fr}}@media(max-width:380px){.status-pill{max-width:56vw}.difficulty-trigger-label{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{min-width:52px;padding:7px 9px}.btn-chi{min-width:0;padding:5px 7px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}